参数资料
型号: FM31T372-G
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO14
封装: GREEN, MS-012, SOIC-14
文件页数: 16/26页
文件大小: 790K
代理商: FM31T372-G
FM31T372/374/376/378-G
Rev. 1.1
Apr. 2011
Page 23 of 26
Data Retention (TA = -40 C to + 85 C, VDD = 2.7V to 5.5V)
Symbol
Parameter
Min
Units
Notes
TDR
Data Retention
10
Years
Supervisor Timing (TA = -40 C to + 85 C, VDD = 2.7V to 5.5V)
Symbol
Parameter
Min
Max
Units
Notes
tRPU
/RST Active (low) after VDD>VTP
100
200
ms
tINTP
Pulse Width of /INT Active
100
200
ms
tRNR
VDD < VTP noise immunity
10
25
s
1
tVR
VDD Rise Time
50
-
s/V
1,2
tVF
VDD Fall Time
100
-
s/V
1,2
tWDP
Pulse Width of /RST for Watchdog Reset
100
200
ms
tWDOG
Timeout of Watchdog
tDOG
2*tDOG
ms
3
fCNT
Frequency of Event Counters
0
10
MHz
Notes
1
This parameter is characterized but not tested.
2
Slope measured at any point on VDD waveform.
3
tDOG is the programmed time in register 0Ah, VDD > VTP and tRPU satisfied.
/RST Timing
/INT Pulse Width
CNT1,
CNT2
tINTP
INT
VDD
VTP
VRST
RST
t
RPU
t
RNR
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